vcl/source/app/timer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/log.hxx>
  21 #include <vcl/timer.hxx>
  22 #include <vcl/scheduler.hxx>
  23 #include <schedulerimpl.hxx>
  24
  25 void Timer::SetDeletionFlags()
  26 {
  27     // If no AutoTimer, then stop.
  28     if ( !mbAuto )
  29         Task::SetDeletionFlags();
  30 }
  31
  32 sal_uInt64 Timer::UpdateMinPeriod( sal_uInt64 nTimeNow ) const
  33 {
  34     sal_uInt64 nWakeupTime = GetSchedulerData()->mnUpdateTime + mnTimeout;
  35     return ( nWakeupTime <= nTimeNow )
  36         ? Scheduler::ImmediateTimeoutMs : nWakeupTime - nTimeNow;
  37 }
  38
  39 Timer::Timer( bool bAuto, const sal_Char *pDebugName )
  40     : Task( pDebugName )
  41     , mnTimeout( Scheduler::ImmediateTimeoutMs )
  42     , mbAuto( bAuto )
  43 {
  44     SetPriority( TaskPriority::DEFAULT );
  45 }
  46
  47 Timer::Timer( const sal_Char *pDebugName )
  48     : Timer( false, pDebugName )
  49 {
  50 }
  51
  52 Timer::Timer( const Timer& rTimer )
  53     : Timer( rTimer.mbAuto, rTimer.GetDebugName() )
  54 {
  55     maInvokeHandler = rTimer.maInvokeHandler;
  56     mnTimeout = rTimer.mnTimeout;
  57 }
  58
  59 Timer::~Timer()
  60 {
  61 }
  62
  63 Timer& Timer::operator=( const Timer& rTimer )
  64 {
  65     Task::operator=( rTimer );
  66     maInvokeHandler = rTimer.maInvokeHandler;
  67     mnTimeout = rTimer.mnTimeout;
  68     SAL_WARN_IF( mbAuto != rTimer.mbAuto, "vcl.schedule",
  69         "Copying Timer with different mbAuto value!" );
  70     return *this;
  71 }
  72
  73 void Timer::Invoke()
  74 {
  75     maInvokeHandler.Call( this );
  76 }
  77
  78 void Timer::Invoke( Timer *arg )
  79 {
  80     maInvokeHandler.Call( arg );
  81 }
  82
  83 void Timer::Start()
  84 {
  85     Task::Start();
  86     Task::StartTimer( mnTimeout );
  87 }
  88
  89 void Timer::SetTimeout( sal_uInt64 nNewTimeout )
  90 {
  91     mnTimeout = nNewTimeout;
  92     // If timer is active, then renew clock.
  93     if ( IsActive() )
  94         StartTimer( mnTimeout );
  95 }
  96
  97 AutoTimer::AutoTimer( const sal_Char *pDebugName )
  98     : Timer( true, pDebugName )
  99 {
 100 }
 101
 102 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */